{snippetArea} has to be in main template (not included one) e.g.
@layout.latte or view.latte. In that
{snippetArea} you can include a template, which contains one static
snippet wrapping some dynamic snippets.

To redraw any dynamic snippet, you have to redraw both
{snippetArea} and static snippet inside included template.

And of course, you still have to handle the magic with foreach
described in czech documentation.